From patchwork Tue Nov 10 21:37:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Trond Myklebust X-Patchwork-Id: 11895421 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EB0931391 for ; Tue, 10 Nov 2020 21:47:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C6D5520809 for ; Tue, 10 Nov 2020 21:47:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="nZpG/mbt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731759AbgKJVry (ORCPT ); Tue, 10 Nov 2020 16:47:54 -0500 Received: from mail.kernel.org ([198.145.29.99]:43082 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731862AbgKJVrx (ORCPT ); Tue, 10 Nov 2020 16:47:53 -0500 Received: from localhost.localdomain (c-68-36-133-222.hsd1.mi.comcast.net [68.36.133.222]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 42AEC20781 for ; Tue, 10 Nov 2020 21:47:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605044873; bh=MOBmL2uL4txSencAZUUeyuOlu/ZATH07W1xk5scpDbw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=nZpG/mbtkRbag54HedoHNds+n0ml9ZH6IDN5THGDhLQsGQIx6IO0UkG89nKZjnC3G rrUhmf+8StvcTBbjsmRSoCEfx4iLzTXZB+KplCX1fWeqC1D4tBpK/jH2hl6LY1jcho B5U8go2ONwdHRyl30a0dlftJ1rZv4zqvFG+jtSzk= From: trondmy@kernel.org To: linux-nfs@vger.kernel.org Subject: [PATCH v5 02/22] NFS: Remove unnecessary inode lock in nfs_fsync_dir() Date: Tue, 10 Nov 2020 16:37:21 -0500 Message-Id: <20201110213741.860745-3-trondmy@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201110213741.860745-2-trondmy@kernel.org> References: <20201110213741.860745-1-trondmy@kernel.org> <20201110213741.860745-2-trondmy@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: Trond Myklebust nfs_inc_stats() is already thread-safe, and there are no other reasons to hold the inode lock here. Signed-off-by: Trond Myklebust --- fs/nfs/dir.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index e56b1bd99537..4e011adaf967 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -997,13 +997,9 @@ static loff_t nfs_llseek_dir(struct file *filp, loff_t offset, int whence) static int nfs_fsync_dir(struct file *filp, loff_t start, loff_t end, int datasync) { - struct inode *inode = file_inode(filp); - dfprintk(FILE, "NFS: fsync dir(%pD2) datasync %d\n", filp, datasync); - inode_lock(inode); - nfs_inc_stats(inode, NFSIOS_VFSFSYNC); - inode_unlock(inode); + nfs_inc_stats(file_inode(filp), NFSIOS_VFSFSYNC); return 0; }